sysj.co.jp - robtex.com

sysj.co.jp

DNSSEC⚠️ Not signed
NSns-1956.awsdns-52.co.uk ⭐
A2600:9000:5307:a400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1956.awsdns-52.co.uk
A205.251.199.164🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1956.awsdns-52.co.uk
NSns-1061.awsdns-04.org
A2600:9000:5304:2500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1061.awsdns-04.org
A205.251.196.37🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1061.awsdns-04.org
NSns-1438.awsdns-51.org ⚠️ Not in zone NS records
A2600:9000:5305:9e00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1438.awsdns-51.org
A205.251.197.158🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1438.awsdns-51.org
NSns-1767.awsdns-28.co.uk ⚠️ Not in zone NS records
A2600:9000:5306:e700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1767.awsdns-28.co.uk
A205.251.198.231🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1767.awsdns-28.co.uk
NSns-226.awsdns-28.com
A2600:9000:5300:e200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-226.awsdns-28.com
A205.251.192.226🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-226.awsdns-28.com
NSns-290.awsdns-36.com ⚠️ Not in zone NS records
A2600:9000:5301:2200::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-290.awsdns-36.com
A205.251.193.34🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-290.awsdns-36.com
NSns-626.awsdns-14.net ⚠️ Not in zone NS records
A2600:9000:5302:7200::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-626.awsdns-14.net
A205.251.194.114🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-626.awsdns-14.net
NSns-746.awsdns-29.net
A2600:9000:5302:ea00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-746.awsdns-29.net
A205.251.194.234🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-746.awsdns-29.net
TXTapple-domain-verification=7kPP3fo7Z6Fo7Idr
TXTbox-domain-verification=1231bc7e524462580c926e67ea3f53ae01da5a46c1dd27f400889...
TXTgoogle-site-verification=XN4xkng1m_8gPmbuveYyQnmlRMEuz70fT_Ku8s5nRK4
TXTgoogle-site-verification=ozU7vhNNtgEaJDDB1uFLUqRpA76n9JnF1dHOZIG_Xbo
TXTnotion-domain-verification=zuLlKpScUnwLCoELGNzhbdGj1HEZds3a8qykNb0vG3r
TXTnulab-verification-code=gzygzdjlW4FDGyL5OqbvLOuttNDo3tCgl5Gp3P2FONwJ4ucTDqdnU...
TXTv=spf1 include:spf.protection.outlook.com include:spf.mta.hdems.com include:s...
SOAns-1956.awsdns-52.co.ukawsdns-hostmaster@amazon.com serial=1

co.jp

DNSSEC🔒 Signed (DS record present)
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
TXTco.jp.
WOT: SAFE (60/100)
WOT: SAFE (58/100)

Same first word

sysj.net
sysj.cn
sysj.de
sysj.com
sysj.co.jp

Similar names

sjsy.net
jssy.net.cn
yjss.jp
yjss.co.kr
sjys.com
jssy.net
yjss.net
yssj.pro
jsys.cz
sjsy.com
jssy.org.cn
jssy.com.hk
ssyj.cn
jsys.fr
sjys.cn
jyss.co.kr
ssyj.com
yjss.org
jyss.com
syjs.com.cn
sjys.org
syjs.com
yjss.cn
jsys.se
yssj.com
jssy.com.cn
ysjs.com
jsys.de
ssjy.cn
ssjy.net
jsys.co.uk
yssj.cn
sjys.com.cn
jssy.org
syjs.shop
jsys.tech
jsys.biz
sjsy.org
yjss.biz
jssy.cn
ysjs.com.cn
jssy.com
yssj.cc
yjss.com.cn
ssjy.com.cn
jsys.ru
jsys.eu
jsys.org
yjss.com
ysjs.cn
jyss.net
ssjy.org
syjs.net
jsys.ne.jp
jsys.in
jsys.us
ssjy.com
jsys.info
jsys.diskstation.me
jsys.ro

DNS History

11 records (8 active, 3 former)

20162017201820192020202120222023202420252026NSns-1061.awsdns-04.orgns-1438.awsdns-51.orgns-1767.awsdns-28.co.ukns-1956.awsdns-52.co.ukns-226.awsdns-28.comns-290.awsdns-36.comns-626.awsdns-14.netns-746.awsdns-29.netsrv1.sysj.co.jpuns02.usen.ad.jpMXsysj-co-jp.mail.protection.outlook.com
●NSns-1061.awsdns-04.org2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-1438.awsdns-51.org2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-1767.awsdns-28.co.uk2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-1956.awsdns-52.co.uk2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-226.awsdns-28.com2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-290.awsdns-36.com2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-626.awsdns-14.net2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
●NSns-746.awsdns-29.net2026-02-27 → 2026-03-20 · 3 obs
○ 2016-06-23 19:17:20
● 2026-02-27 08:56:54
● 2026-03-20 01:44:14
○NSsrv1.sysj.co.jp2015-08-24 → 2016-06-23 · 4 obs
● 2015-08-24 00:27:16
● 2016-06-23 19:17:20
○ 2026-02-27 08:56:54
○ 2026-03-20 01:44:14
○NSuns02.usen.ad.jp2015-08-24 → 2016-06-23 · 4 obs
● 2015-08-24 00:27:16
● 2016-06-23 19:17:20
○ 2026-02-27 08:56:54
○ 2026-03-20 01:44:14
○MXsysj-co-jp.mail.protection.outlook.com2015-08-24 → 2026-02-27 · 4 obs
● 2015-08-24 00:27:16
● 2026-02-27 08:56:54
○ 2026-03-18 11:23:04
○ 2026-03-20 01:44:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, a.dns.jp, f.dns.jp, e.dns.jp...-
sysj.co.jpns-290.awsdns-36.com, ns-626.awsdns-14.net, ns-746.awsdns-29.net, ns-1061.awsdns-04.org...-

✅ Authoritative Response

Server: 205.251.198.231

NS records: ns-290.awsdns-36.com, ns-626.awsdns-14.net, ns-746.awsdns-29.net, ns-1061.awsdns-04.org, ns-1438.awsdns-51.org, ns-1767.awsdns-28.co.uk, ns-1956.awsdns-52.co.uk, ns-226.awsdns-28.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysj.co.jp (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-1061.awsdns-04.org, ns-1956.awsdns-52.co.uk...
SOA1ns-1956.awsdns-52.co.uk awsdns-hostmaste

Analysis

Name Servers

Eight name servers are delegated to sysj.co.jp: ns-226.awsdns-28.com, ns-290.awsdns-36.com, ns-626.awsdns-14.net, ns-746.awsdns-29.net, ns-1061.awsdns-04.org, ns-1438.awsdns-51.org, ns-1767.awsdns-28.co.uk and ns-1956.awsdns-52.co.uk.

sysj.co.jp at least partially shares name servers with other domains such as 7acres.com, roscoemortuary.com, redbeard-tech.com, d1m11rn6z4ucs6.cloudfront.net and d1jnumpd1yd326.cloudfront.net.

Host names with two IP numbers:

ns-226.awsdns-28.com points to: 2600:9000:5300:e200::1 and 205.251.192.226.

ns-290.awsdns-36.com points to: 2600:9000:5301:2200::1 and 205.251.193.34.

ns-626.awsdns-14.net points to: 2600:9000:5302:7200::1 and 205.251.194.114.

ns-746.awsdns-29.net points to: 2600:9000:5302:ea00::1 and 205.251.194.234.

ns-1061.awsdns-04.org points to: 2600:9000:5304:2500::1 and 205.251.196.37.

ns-1438.awsdns-51.org points to: 2600:9000:5305:9e00::1 and 205.251.197.158.

ns-1767.awsdns-28.co.uk points to: 2600:9000:5306:e700::1 and 205.251.198.231.

ns-1956.awsdns-52.co.uk points to: 2600:9000:5307:a400::1 and 205.251.199.164.